Deliveries started in March 1943 and service starting in October 1943.
In July 1944 the No. 1770 Squadron, aboard the HMS Indefatigable, were used in raids on the Tirpitz.
In 1944 Fairey Firefly NF. Mk Is intercepted He 111s carrying V-1 flying bombs.
On January 2, 1945 a Firefly had it's first air-to-air victory against a Japanese Nakajima Ki-43.
In January 1945 Fireflys from the HMS Indefatigable were used in the attacks on oil refineries in Sumatra.
In June 1945 three squadrons of Fireflys were used in the Caroline Islands.
In July 1945 the Firefly was the first British aircraft to fly over Tokyo during attacks.
Once World War II was over, the Fireflys were used to drop supplies to POWs still in camps throughout Japan.
The Firefly was used during the Korean War.